This Qualcomm Snapdragon 805-powered Kindle Fire HDX 8.9 could be a product ready to hit the market, but it is also possible for it to be an internal test version that precedes a product with higher specs overall.
http://www.notebookcheck.net/Upgraded-Amazon-Kindle-Fire-HDX-8-9-appears-in-the-AnTuTu-database.122362.0.html